Finding the Fourth Proportional to 3,953,170.63, 5,455,380.14 and 2,142,334.63
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Solution
The fourth proportional to 3,953,170.63, 5,455,380.14 and 2,142,334.63 is: 2,956,424.32
Step by Step Solution
- Step 1: Write the proportion equation
3,953,170.63 : 5,455,380.14 = 2,142,334.63 : x - Step 2: Convert to fraction form
3,953,170.63/5,455,380.14 = 2,142,334.63/x - Step 3: Cross multiply
3,953,170.63x = 5,455,380.14 × 2,142,334.63 - Step 4: Simplify right side
3,953,170.63x = 11,687,249,783,024.57 - Step 5: Solve for x
x = 11,687,249,783,024.57/3,953,170.63 - Step 6: Final answer
x = 2,956,424.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.